package utils;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.util.Base64;
import android.widget.ImageView;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

public class ImgUtil {
    // 将Bitmap转换成InputStream(压缩率quality、100表示不压缩、10表示压缩90%)
    public InputStream Bitmap2InputStream(Bitmap bm, int quality) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bm.compress(Bitmap.CompressFormat.PNG, quality, baos);
        InputStream is = new ByteArrayInputStream(baos.toByteArray());
        return is;
    }

    // 将Bitmap转换成InputStream
    public InputStream Bitmap2InputStream(Bitmap bm) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bm.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        InputStream is = new ByteArrayInputStream(baos.toByteArray());
        return is;
    }

    // 将InputStream转换成Bitmap
    public Bitmap InputStream2Bitmap(InputStream is) {
        return BitmapFactory.decodeStream(is);
    }

    // Drawable转换成InputStream
    public InputStream Drawable2InputStream(Drawable d) {
        Bitmap bitmap = this.drawable2Bitmap(d);
        return this.Bitmap2InputStream(bitmap);
    }

    // InputStream转换成Drawable
    public Drawable InputStream2Drawable(InputStream is) {
        Bitmap bitmap = this.InputStream2Bitmap(is);
        return this.bitmap2Drawable(bitmap);
    }

    // Drawable转换成byte[]
    public byte[] Drawable2Bytes(Drawable d) {
        Bitmap bitmap = this.drawable2Bitmap(d);
        return this.Bitmap2Bytes(bitmap);
    }

    // byte[]转换成Drawable
    public Drawable Bytes2Drawable(byte[] b) {
        Bitmap bitmap = this.Bytes2Bitmap(b);
        return this.bitmap2Drawable(bitmap);
    }

    // Bitmap转换成byte[]
    public byte[] Bitmap2Bytes(Bitmap bm) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bm.compress(Bitmap.CompressFormat.PNG, 100, baos);
        return baos.toByteArray();
    }

    // byte[]转换成Bitmap
    public Bitmap Bytes2Bitmap(byte[] b) {
        if (b.length !=   0) {
            return BitmapFactory.decodeByteArray(b,   0, b.length);
        }
        return null;
    }

    // 将byte[]转换成InputStream
    public InputStream Byte2InputStream(byte[] b) {
        ByteArrayInputStream bais = new ByteArrayInputStream(b);
        return bais;
    }

    // 将InputStream转换成byte[]
    public byte[] InputStream2Bytes(InputStream is) {
        String str = "";
        byte[] readByte = new byte[1024];
        int readCount = -  1;
        try {
            while ((readCount = is.read(readByte,   0, 1024)) != -  1) {
                str += new String(readByte).trim();
            }
            return str.getBytes();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    // Drawable转换成Bitmap
    public Bitmap drawable2Bitmap(Drawable drawable) {
        Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(),
                drawable.getIntrinsicHeight(), drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565);
        Canvas canvas = new Canvas(bitmap);
        canvas.drawColor(Color.WHITE);
        canvas.drawBitmap(bitmap, 0, 0, null);
        drawable.setBounds(  0,   0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
        drawable.draw(canvas);
        return bitmap;
    }

    // Bitmap转换成Drawable
    public Drawable bitmap2Drawable(Bitmap bitmap) {
        BitmapDrawable bd = new BitmapDrawable(bitmap);
        Drawable d = (Drawable) bd;
        return d;
    }

    //将Bitmap转换成Base64
    public String getImgStr(Bitmap bit){
        ByteArrayOutputStream bos=new ByteArrayOutputStream();
        bit.compress(Bitmap.CompressFormat.JPEG,  100, bos);//参数100表示不压缩
        byte[] bytes=bos.toByteArray();
        return Base64.encodeToString(bytes, Base64.DEFAULT);
    }

    //将Base64转换成bitmap
    public Bitmap getimg(String str){
        byte[] bytes;
        if (str.indexOf("base64,") >= 0) {
            str = str.split("base64,")[1];
        }
        bytes=Base64.decode(str, 0);
        return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
    }
}
